Boril can be your tank on defense and is actually fantastic against all AoE hitters when on offense. He can win you raids but it won’t be his tile damage that does it. Once the riposte is up, drop tiles onto the AoE enemies, snipers are more dangerous to you b/c there is a 40% chance they target one of your uncovered heroes. AoE will always kill itself if riposte is on three heroes.
Boril changed the game for me and allowed me to plow through the stages when my team was still quite weak.
Tibby and Kelile will both be good for a while. Li Xiu will serve you well too. Wu isn’t a great defender but brilliant on Titans (key source of loot).
Attacking, you should adjust your team based on what is strongest against your enemy, there is rarely one attacking raid team for all situations.
For defense:
Skittles / Kelile / Boril / Li Xiu / Tibby
Can swap Li and Tibby. Having red next to blue tank means the green tiles that miss Boril do 1/2 damage to Kelile.
If you can get a good 4* healer it will aid you tremendously, all have their merits. My first cleanser was Zimkitha as Rigard joined me VERY late in the game but cleanse is huge and Rigard is the toughest of the big percentage 4* healers (Rigard/Sabina/Melendor all 42%) Kiril and Boldtusk much less but excellent secondary effects…
Game Changing 4 Heroes:*
Amazing Forever:
Proteus
Wilbur
Jackal
Hansel
Rigard
Scarlett
Wu Kong
“Merely” Excellent:
Boril
Buddy
Tibby/Gormek/Grimm
Caedmon
Boldtusk/Kiril
Only have listed heroes I have personal experience with, don’t have Gretel, haven’t leveled Merlin or Gafar or Jabbar so didn’t list them. Merlin belongs on the Amazing Forever list though.